Seventeen-year-old Chloë Grace Moretz, starring in If I Stay, is an old soul who likes Cheetos and Xbox and doesn't shy away from the F word (as in "feminism"). Plus, take a peek at her behind-the-scenes video.

This week we examined contagious cavities and whether or not it's safe for pregnant women to dye their hair. But we also touched on important things, like talking about PajamaJeans with Dark Shadows actress Chloë...